eliminate markdown generation when unneeded#1446

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jcollins-g merged 9 commits intomasterfrom

partial-markdown

Jun 1, 2017

Commits on May 19, 2017

intermediate stage more or less works, good for performance test
jcollins-g
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Commits on May 30, 2017

Commits on May 31, 2017

Commits on Jun 1, 2017